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Re: [3.2.y] Re: Brcmsmac driver woes, possible regression?

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Hi again,

Jonathan Nieder wrote:

> As discussed at [1], Camaleón has been experiencing unwanted random
> wireless reconnects with various 3.2.y kernels up to and including
> 3.2.19:

This was first reproduced on a kernel closely based on 3.2.9.  It
would typically happen pretty reliably once a day or so.  Four days of
testing a kernel close to 3.2.2 haven't triggered it again[1].

The only brcm80211 change in that range is

  f96b08a7e6f6 brcmsmac: fix tx queue flush infinite loop

So maybe the timeout is too short and this safety is tripping when it
shouldn't.  I've asked Camaleón to try a recent 3.2.y kernel with and
without that commit reverted to test this guess.

That leaves another mystery: which of the 22 changes listed at [2] was
providing relief in earlier tests?  E.g., does

>   c261bdf8acad brcm80211: smac: indicate severe problems to Mac80211

make it easier to recover from this kind of error?  Are there commands
we should run or diagnostics to try to get a better sense of what is
going on?

Grasping at straws,
Jonathan

[1] http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=220;bug=664767
[2] http://thread.gmane.org/gmane.linux.kernel.wireless.general/92452
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